Fosi Audio DS2 User manual

BRING THE SOUND TO YOUR HEART

User Manual

Model：DS 2

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Thank you very much for purchasing the

DS2 headphone amp.

Please read the instructions carefully before

using the product.

If you have any problems or suggestions for

the product, please feel free to contact us

via email. We are always at your service.

Email address of our technical support

team:[email protected].

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Type-C to Type-C USB-C to USB-A

User Manual

DS2 User Manual

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USB Type-C connector

Indicator light 4.4mm balanced

headphone out

Volume – 3.5mm single-ended

Volume +

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DAC Chipset

Output Power

S/N

Frequency Response

PCM

DSD

Dynamic Range

Recommended

Headphone Impedance

Dual Headphone Outputs

Supported Devices

Product Name

Weight

ESS ES9018K2M

QUAD DAC Chip

SE: 120mw(32Ω)

BAL: 250mw(32Ω)

16~300Ω(SE);

16~300Ω(BAL)

3.5mm single-ended,4.4mm

balanced output

108dB

20HZ-20KHZ +/-0.5dB

Up to 32bit/768kHz

DS 2

15g

Mac\Windows\ iOS\ Android

DSD64/128/256/512

108dB

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1. Connect the DS2 to your Android phone using a USB

Type-C cable. (Note: Some Android phones or music

players may have compatibility issues due to system

and hardware differences, and some phones require

the OTG function to be enabled in order to use the DS2

properly.

2. When connecting the DS2 to a device with a light-

ning connector, use a lightning to Type-C OTG cable.

(not included in the package)

3. When playing music on your computer, please select

Fosi Audio DS2 as the audio output device for your

computer.

4. Volume control may not be available for some devic-

es in exclusive USB audio access mode.

5. The DS2 does not have a built-in battery, so the DS2

draws power from the main unit via the USB port.

Actual power consumption is related to operation and

the device system. The DS2 has a built-in audio-

phile-grade DAC chip. It is normal for the DS2 to get hot

during use.

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Click the volume up and down buttons

simultaneously once to switch be-

tween high and low level mode.

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Low

level

mode

DSD

PCM

DSD

Bright

Bright Bright

Bright Purple

Yellow

Bright

Red

Blue

High

level

mode

Output

Mode

Audio

Stream

Format

Red

Light

Green

Light

Blue

Light

Display

Colour

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1. If the DS2 is charged via USB from a mobile phone

or computer, it will consume their power.

2. The DS2 uses a high performance DAC/Amp chip

and it is normal for it to get hot during use.

3. Please adjust the volume to the right level before

wearing the headphones to protect your hearing.

4. Please do not wear headphones when plugging them

in or out to avoid sudden impulse noise that may

damage your hearing.

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